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Finding the Fourth Proportional to 230,539, 318,144 and 124,555

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Solution

The fourth proportional to 230,539, 318,144 and 124,555 is: 171,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,539 : 318,144 = 124,555 : x
  2. Step 2: Convert to fraction form
    230,539/318,144 = 124,555/x
  3. Step 3: Cross multiply
    230,539x = 318,144 × 124,555
  4. Step 4: Simplify right side
    230,539x = 39,626,425,920
  5. Step 5: Solve for x
    x = 39,626,425,920/230,539
  6. Step 6: Final answer
    x = 171,886.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.